Where does “chu kì bán rã” come from?

chu kì bán rã (Vietnamese) comes from Vietnamese chu kì, from Japanese 周期 — period of time, cycle.

chu kì bán rã (Vietnamese): a half-life

Definitions

  1. a half-life

Ancestry of “chu kì bán rã”, step by step

chu kì bán rã traces back through two separate lines of ancestry.

via Vietnamese chu kì

StepLanguageWordMeaning
1Vietnamesechu kìa period; cycle; interval
2Japanese周期period of time, cycle

via Vietnamese phân rã

StepLanguageWordMeaning
1Vietnamesephân rã—
Every word from Japanese 周期 →Every word from Vietnamese chu kì →